20899712

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2437}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 42274920

約数和(自身を除く): 21375208

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2437, 4288, 4874, 8576, 9748, 19496, 38992, 77984, 155968, 163279, 311936, 326558, 653116, 1306232, 2612464, 5224928, 10449856, 20899712]

約数ペア:

[(1, 20899712), (2, 10449856), (4, 5224928), (8, 2612464), (16, 1306232), (32, 653116), (64, 326558), (67, 311936), (128, 163279), (134, 155968), (268, 77984), (536, 38992), (1072, 19496), (2144, 9748), (2437, 8576), (4288, 4874)]